APA (7th ed.) Citation

Ōyama, M. (1963). What is karate! Japan Publications Trading Co.

Chicago Style (17th ed.) Citation

Ōyama, Masutatsu. What Is Karate! Rutland, Vt: Japan Publications Trading Co, 1963.

MLA (9th ed.) Citation

Ōyama, Masutatsu. What Is Karate! Japan Publications Trading Co, 1963.

Warning: These citations may not always be 100% accurate.